Juyin damuwa na lsaw bututu shine musamman sanyaya sanyaya. Rashin damuwa shine yanayin daidaitawa na ciki ba tare da karfi na waje ba. Wannan matsanancin damuwa yana wanzu a sassan zafi na sassan daban daban. Babban sashi na girman babban sashe na gaba daya, mafi girma jingin damuwa.
Kodayake matsanancin damuwa shine daidaita kai, har yanzu yana da wani tasiri a kan ayyukan membobin ƙarfe a karkashin ikon waje. Misali, yana iya samun illa mai lahani game da nakasarwa, kwanciyar hankali da juriya. Bayan waldi, wanda ba ya ƙarfe ba a cikin bututun lsaw an guga man cikin zanen gado, wanda ya haifar da lamation. Sannan Lamation sosai na lalata aikin lsaw bututu tare da kaurin kauri, da hatsarin da ke iya faruwa lokacin da weld shrinks. Rikici na gida ya haifar da Weld Shamkage sau da yawa sau da yawa na yawan maki, wanda ya fi girma fiye da wanda ake samu ta hanyar kaya. Bugu da kari, bututun lsaw to babu makawa na da yawa T-welds, saboda haka yiwuwar lahani na walwala yana inganta sosai. Haka kuma, walƙiyar damuwa mai zurfi a cikin T-Weld manya ne babba, kuma weld m karfe yawanci yakan kasance cikin yanayin matsanancin damuwa uku, wanda ke ƙaruwa da yiwuwar fasa.
Welding Seam na Karkace ARC Welded PIPE ana rarraba shi a cikin karkace, kuma welds na daɗe. Musamman lokacin da aka yi waldi a karkashin yanayi mai tsauri, weld ya bar tsarin fasalin kafin sanyaya, wanda yake da sauki ya samar da walwala mai zafi. Jagorar tana kama da Weld kuma ta samar da kusurwa ta ƙarfe, gabaɗaya tana magana, kusurwa ta tsakanin 30-70 °. Wannan kusurwa tana da daidai da faɗakarwar karfi, don haka da lanƙwasa, daukaka, shuwagwa da kifayen karkara ba su da kyau kamar bututun LSW. A lokaci guda, saboda iyakancewar sanannun matsayi, sirdi da kifi Ridge wallding seam shafi bayyanar. Sabili da haka, NDT na SSAW PIPE Welds ya kamata a karfafa don tabbatar da ingancin waldi, in ba haka ba to ba za a yi amfani da bututun ƙarfe ba.
Lokaci: Jul-13-222